Watson described the purpose of psychology as: âTo predict, given the stimulus, what reaction will take place; or, given the reaction, state what the situation or stimulus is that has caused the reactionâ (1930, p. 11). * All behavior is learnt from the environment.
Additional tests including penetration,solubility, and ductility are made on the residue. Cutback asphalt grades and tests There are several grades for each of the three types ofcutbacks â rapid curing (RC), medium curing (MC), andslow curing, (SC). The grades include 70, 250, 800, and3000.
Types of Asphalt Paving Projects. Asphalt can be used to create a driveway or parking area of any size. It's more cost effective than concrete. Asphalt driveways are easier to repair and resurface compared to concrete. During the winter months, it is easier to remove ice and snow from asphalt than a concrete driveway or parking lot.